Mining Engineering · all questions

Introduction to Mining Engineering
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Q301

It is a subordinate method combining features of both room and pillar and long wall.

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Q302

What is the suitable distance of location of heavy type of barriers from farthest face?

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Q303

How much of stone dust is required per square meter cross-sectional area of gallery for heavy type of barriers?

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Q304

Incubation period is NOT related to

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Q305

In contiguous seam working, the 2 seams must be within A m of each other. A is given by

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Q306

Setting pressure and yielding pressure is related with

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Q307

Gassy seam of 'third degree' means a coal seam or part lying within the precincts of mine not being an opencast working where the rate of emission of inflammable gas per ton of coal produced exceeds

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Q308

A Zn deposit is formed by a geological process is called

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Q309

Which of the following is called ROI?

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Q310

Which of the following excavator is preferred to be used for a bench height of 30 m or more?

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Q311

Which type of drilling pattern is generally followed in solid blasting face?

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Q312

Maximum accidents in Indian mines is due to

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Q313

Square pillars in B & P panel are of size 30 m centre to centre and the galleries are of width 4 m. The tributary area for each pillar in m² is

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Q314

Which of the following faces are not permitted to run in B & P district?

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Q315

The full form of 'RMR' is

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Q316

In a 2^nd degree gassy mine the velocity of air measured at the maximum span of long wall face should be

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Q317

The equipment that is NOT used in hard rock metal mining drivage is

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Q318

In case of metalliferous mines, if depth of a shaft exceeds 1000 m but not 1500 m, no winding rope shall be used or continued in use, if its F.O.S. is or becomes less than

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Q319

A lease holder cannot abandon a mine or part unless

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Q320

Over speeding of coal tubs are restricted by

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